Need help installing Tkinter/tkdnd

[los]

Hi I am trying to install the tk drag and drop to python 2.4.

I installed python to c:\python24

I downloaded tkdnd-1.0a2.tar.gz, and TkinterDnD-0.4.zip.

After I unzipped tkdnd-1.0a2.tar.gz, I copied the lib directory to
c:\python24\tcl, now in C:\Python24\tcl\lib\tkdnd I have;
libtkdnd.dll pkgIndex.tcl tkDND_Utils.tcl.

I then unzipped TkinterDnD-0.4.zip and copied the TkinterDnD folder to
C:\Python24\Lib\site-packages. In this folder I have;
TkinterDnD.py TkinterDnD.pyc __init__.py __init__.pyc

now when I go to python I get this error:
>>> from TkinterDnD import *
>>> root = TkinterDnD.Tk()
Traceback (most recent call last):
File "", line 1, in ?
File "C:\Python24\Lib\site-packages\TkinterDnD\TkinterDnD.py", line
352, in __init__
self.TkdndVersion = _require(self)
File "C:\Python24\Lib\site-packages\TkinterDnD\TkinterDnD.py", line
333, in _require
tkdndver = tkroot.tk.call('package', 'require', 'tkdnd')
_tkinter.TclError: can't find package tkdnd

Can someone explain what's going on? Thanks

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Running a python program during idle time only

[los]

Hi,

I'm trying to create a program similar to that of Google's desktop that
will crawl through the hard drive and index files.  I have written the
program and as of now I just put the thread to sleep for 1 second after
indexing a couple of files.

I'm wondering if anyone knows of a way that I could make so that the
program will run at full speed only runs after the computer has been
idle for a while.  I've looked at the "nice" command but that's not
exactly what I want.

Let me know if it isn't clear what I explained above. 

Thanks

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Re: Running a python program during idle time only

[los]

Thanks for all the replies.

I did try using nice under windows.  I created a java program that
would just loop and print numbers on the screen.  Even when I ran that
simple program with nice, (lets call it program A) as soon as I started
the program the cpu went all the way to 100% usage.  Then when I ran
another program that did the same thing (lets call it program B),
program A halted to let B finish, then it started again.  Nevertheless
it still hogged all the cpu while I was using the computer.

For my indexing program I just wrote a simple python program and called
on the python os.walk() method to iterate through the drive and then it
connects to a database to store some information.  Then I wrote a
simple interface to connect to the database to search for files using
visual basic.  Once everything is indexed it works fine, but it would
be nice to have the program looping through and indexing the files all
the time to account to file updates, deletes, and relocation, but
without hurting the performance when I'm using the computer.

So really what I am looking for is some way to have the program only
start indexing and crawling through the hd after 5 minutes of no user
interaction with the computer.

I'm going to take a look at this CPU load possibility.  But I'm afraid
that this will work similarly to "nice" in which case it will let the
program kick in when the CPU isn't being used heavily, but I might
still be using the computer.  

thanks once again!

-los

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Re: Running a python program during idle time only

[los]

Yes it should.  The problem is that I notice a loss in performance when
the program is running at 100% CPU.  Even though it is nice, if you try
to open up new applications, or switch between them, you notice your
computer lagging a little bit.  That's why even though I'm not using
the cpu that much as I'm just reading my email, or browsing the web, I
wouldn't necessarily want the indexing program to be running at full
pace.  If you use google's desktop program, you'll notice that once the
computer has been idle for a few minutes your CPU will go to 100%, but
as soon as you move your mouse, or hit a keystroke the cpu will drop to
5-10% usage.  That's the behavior I'm trying to achieve.

Thanks David for your suggestions.  That seems to be what I was looking
for.  I'm going to try to incorporate those changes in my code and see
what I can come up with.  Thanks for everyone who responded as well.  I
really appreciate it.

-los

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Re: Running a python program during idle time only

[los]

I'm writting the code with the win32 module I found.  The way I'm
planning on attacking the problem after reading all the remarks is as
follows:

1.) have the program run a full system index, and once it completes it
turn the flag on a configuration file to true
2.) after this initial index, every time the program is started it will
check this flag in the configuration file, and if it has had the full
system index then the system will be kept up to date using the win32
modules, listening for events and changes made to the file system.  I
am basing my code pretty closely to what I found in the last example of
this page
http://tgolden.sc.sabren.com/python/win32_how_do_i/watch_directory_for_changes.html

I'm aware that in case the program isn't running, all the changes made
to the file system during that time won't be picked up next time the
program starts.  I haven't thought of a good way to solve this problem
other than just do a full system index every once in a while to
actually go through each directory updating and deleting records as
necessary.

Thanks once again for the posts!

-los

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